package tread;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ThreadPoolDemo {
    public static void main(String[] args) {
        ExecutorService treadPool = Executors.newFixedThreadPool(2);
        for (int i = 0; i < 5; i++){
            Runnable r=()-> {
                    try{
                        Thread t=Thread.currentThread();
                        System.out.println(t.getName()+"正在执行一个任务");
                        Thread.sleep(5000);
                        System.out.println(t.getName()+"任务执行完毕");
                    }catch (InterruptedException e){
                        e.printStackTrace();
                    }
                };
                treadPool.execute(r);
                System.out.println("将一个任务交给线程池");
        }
        treadPool.shutdownNow();
        System.out.println("线程池关闭");

    }
}
